Basic psychological need satisfaction, need frustration, and need strength across four cultures - Motivation and Emotion

The present study investigated whether satisfaction and frustration of the psychological needs for autonomy, relatedness, and competence, as identified within Basic Psychological Need Theory (BPNT; Deci and Ryan, Psychol Inquiry 11:227–268, 2000; Ryan and Deci, Psychol Inquiry 11:319–338, 2000), co…